How many questions do I have to answer before i am allowed to message people

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

The two types of plains are coastal plains and lowland plains

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand